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	<p>In elementary algebra, the <strong>quadratic formula</strong> is the solution of the quadratic equation. </p>
	<p style="text-align:center;">
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	</p>
	<p>
		<strong>Water is made from two elements</strong>: hydrogen and oxygen. If you put the two gases together, along with energy, you get water.
	</p>
	<p style="text-align:center;">
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	    <img class="Wirisformula" style="max-width:none;" align="middle" data-custom-editor="chemistry" 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data-mathml="«math
			xmlns=¨http://www.w3.org/1998/Math/MathML¨ class=¨wrs_chemistry¨»«mn»2«/mn»«msub»«mi mathvariant=¨normal¨»H«/mi»«mn»2«/mn»«/msub»«mfenced»«mi mathvariant=¨normal¨»g«/mi»«/mfenced»«mo»+«/mo»«msub»«mi mathvariant=¨normal¨»O«/mi»«mn»2«/mn»«/msub»«mfenced»«mi mathvariant=¨normal¨»g«/mi»«/mfenced»«mo»§#8652;«/mo»«mn»2«/mn»«msub»«mi mathvariant=¨normal¨»H«/mi»«mn»2«/mn»«/msub»«mi mathvariant=¨normal¨»O«/mi»«mfenced»«mi mathvariant=¨normal¨»l«/mi»«/mfenced»«/math»" width="175" height="25" alt="2 H subscript 2 open parentheses g close parentheses and O subscript 2 open parentheses g close parentheses equilibrium 2 H subscript 2 O open parentheses l close parentheses" role="math">
	  </span>
	</p>
	<p>The entire formula for the surface area of a cylinder is&nbsp; <span class="ck-math-widget ck-widget ck-widget_selected" contenteditable="false">
		<img class="Wirisformula" style="max-width:none;" align="middle" src="data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Awrs%3D%22http%3A%2F%2Fwww.wiris.com%2Fxml%2Fmathml-extension%22%20height%3D%2222%22%20width%3D%2284%22%20wrs%3Abaseline%3D%2218%22%3E%3C!--MathML%3A%20%3Cmath%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmsup%3E%3Cmi%3E%26%23x3C0%3Br%3C%2Fmi%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmsup%3E%3Cmo%3E%2B%3C%2Fmo%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmi%3E%26%23x3C0%3Brh%3C%2Fmi%3E%3C%2Fmath%3E--%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%40font-face%7Bfont-family%3A'math1ef1e97aa60a286d0322faa717f'%3Bsrc%3Aurl(data%3Afont%2Ftruetype%3Bcharset%3Dutf-8%3Bbase64%2CAAEAAAAMAIAAAwBAT1MvMi7iBBMAAADMAAAATmNtYXDEvmKUAAABHAAAADxjdnQgDVUNBwAAAVgAAAA6Z2x5ZoPi2VsAAAGUAAABMGhlYWQQC2qxAAACxAAAADZoaGVhCGsXSAAAAvwAAAAkaG10eE2rRkcAAAMgAAAADGxvY2EAHTwYAAADLAAAABBtYXhwBT0FPgAAAzwAAAAgbmFtZaBxlY4AAANcAAABn3Bvc3QB9wD6AAAE%2FAAAACBwcmVwa1uragAABRwAAAAUAAADSwGQAAUAAAQABAAAAAAABAAEAAAAAAAAAQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgICAAAAAg1UADev96AAAD6ACWAAAAAAACAAEAAQAAABQAAwABAAAAFAAEACgAAAAGAAQAAQACACsDwP%2F%2FAAAAKwPA%2F%2F%2F%2F1vxCAAEAAAAAAAAAAAFUAywAgAEAAFYAKgJYAh4BDgEsAiwAWgGAAoAAoADUAIAAAAAAAAAAKwBVAIAAqwDVAQABKwAHAAAAAgBVAAADAAOrAAMABwAAMxEhESUhESFVAqv9qwIA%2FgADq%2FxVVQMAAAEAgABVAtUCqwALAEkBGLIMAQEUExCxAAP2sQEE9bAKPLEDBfWwCDyxBQT1sAY8sQ0D5gCxAAATELEBBuSxAQETELAFPLEDBOWxCwX1sAc8sQkE5TEwEyERMxEhFSERIxEhgAEAVQEA%2FwBV%2FwABqwEA%2FwBW%2FwABAAABAFUAAALAAkAAGQBBGAGwGhCwDdSwDRCwB9SwBxCwBNSwBBCwGNQAsBoQsAvUsBoQsALUsBoQsA%2FUsA8QsBTUsA8QsAY8sA8QsBc8MDElBiMiNQMjERQGKwE2NTQnIhUjNDMhFSMTFALAFUCAAaopAVUqAVVAagIBgQFVVdUBFv7qlUBAlYCWK4BV%2FurAAAEAAAABAADVeM5BXw889QADBAD%2F%2F%2F%2F%2F1joTc%2F%2F%2F%2F%2F%2FWOhNzAAD%2FIASAA6sAAAAKAAIAAQAAAAAAAQAAA%2Bj%2FagAAF3AAAP%2B2BIAAAQAAAAAAAAAAAAAAAAAAAAMDUgBVA1YAgAMWAFUAAAAAAAAAKAAAAKEAAAEwAAEAAAADAF4ABQAAAAAAAgCABAAAAAAABAAA3gAAAAAAAAAVAQIAAAAAAAAAAQASAAAAAAAAAAAAAgAOABIAAAAAAAAAAwAwACAAAAAAAAAABAASAFAAAAAAAAAABQAWAGIAAAAAAAAABgAJAHgAAAAAAAAACAAcAIEAAQAAAAAAAQASAAAAAQAAAAAAAgAOABIAAQAAAAAAAwAwACAAAQAAAAAABAASAFAAAQAAAAAABQAWAGIAAQAAAAAABgAJAHgAAQAAAAAACAAcAIEAAwABBAkAAQASAAAAAwABBAkAAgAOABIAAwABBAkAAwAwACAAAwABBAkABAASAFAAAwABBAkABQAWAGIAAwABBAkABgAJAHgAAwABBAkACAAcAIEATQBhAHQAaAAgAEYAbwBuAHQAUgBlAGcAdQBsAGEAcgBNAGEAdABoAHMAIABGAG8AcgAgAE0AbwByAGUAIABNAGEAdABoACAARgBvAG4AdABNAGEAdABoACAARgBvAG4AdABWAGUAcgBzAGkAbwBuACAAMQAuADBNYXRoX0ZvbnQATQBhAHQAaABzACAARgBvAHIAIABNAG8AcgBlAAADAAAAAAAAAfQA%2BgAAAAAAAAAAAAAAAAAAAAAAAAAAuQcRAACNhRgAsgAAABUUE7EAAT8%3D)format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%224.5%22%20y%3D%2218%22%3E2%3C%2Ftext%3E%3Ctext%20font-family%3D%22math1ef1e97aa60a286d0322faa717f%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2215.5%22%20y%3D%2218%22%3E%26%23x3C0%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2223.5%22%20y%3D%2218%22%3Er%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2229.5%22%20y%3D%2211%22%3E2%3C%2Ftext%3E%3Ctext%20font-family%3D%22math1ef1e97aa60a286d0322faa717f%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2240.5%22%20y%3D%2218%22%3E%2B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2252.5%22%20y%3D%2218%22%3E2%3C%2Ftext%3E%3Ctext%20font-family%3D%22math1ef1e97aa60a286d0322faa717f%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2263.5%22%20y%3D%2218%22%3E%26%23x3C0%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2276.5%22%20y%3D%2218%22%3Erh%3C%2Ftext%3E%3C%2Fsvg%3E" data-mathml="«math
			xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»2«/mn»«msup»«mi»§#960;r«/mi»«mn»2«/mn»«/msup»«mo»+«/mo»«mn»2«/mn»«mi»§#960;rh«/mi»«/math»" width="84" height="22" alt="2 πr squared plus 2 πrh" role="math">
	  </span>
	</p>
</div>
